20162025 has 72 divisors (see below), whose sum is σ = 39877656. Its totient is φ = 9676800.

The previous prime is 20161993. The next prime is 20162027. The reversal of 20162025 is 52026102.

20162025 is a `hidden beast` number, since 20 + 1 + 620 + 25 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 19263321 + 898704 = 4389^2 + 948^2 .

It is not a de Polignac number, because 20162025 - 2⁵ = 20161993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20161989 and 20162007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20162027) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 178369 + ... + 178481.

Almost surely, 2^20162025 is an apocalyptic number.

20162025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20162025 is a deficient number, since it is larger than the sum of its proper divisors (19715631).

20162025 is a wasteful number, since it uses less digits than its factorization.

20162025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 20162025 is about 4490.2143601392. The cubic root of 20162025 is about 272.1727969564.

Adding to 20162025 its reverse (52026102), we get a palindrome (72188127).

It can be divided in two parts, 201 and 62025, that added together give a palindrome (62226).

The spelling of 20162025 in words is "twenty million, one hundred sixty-two thousand, twenty-five".